Keywords: diarrhoea, shit
As a Noun
1. An illness in which people get rid of lot of faeces that are much more liquid than usual. English = diarrhoea.
As a Verb or Adjective
1. To rid waste matter from your body through your anus. Formal English = defecate. Informal English = shit.
2. To have diarrhoea. Idiomatic English = have the runs.